Home / 583,152,420.92-804,751,789.72-318,851,470.76

Finding the Fourth Proportional to 583,152,420.92, 804,751,789.72 and 318,851,470.76

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Solution

The fourth proportional to 583,152,420.92, 804,751,789.72 and 318,851,470.76 is: 440,015,821.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,152,420.92 : 804,751,789.72 = 318,851,470.76 : x
  2. Step 2: Convert to fraction form
    583,152,420.92/804,751,789.72 = 318,851,470.76/x
  3. Step 3: Cross multiply
    583,152,420.92x = 804,751,789.72 × 318,851,470.76
  4. Step 4: Simplify right side
    583,152,420.92x = 256,596,291,748,964,256
  5. Step 5: Solve for x
    x = 256,596,291,748,964,256/583,152,420.92
  6. Step 6: Final answer
    x = 440,015,821.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.